Microcellular carbon foam and method
Patent
·
OSTI ID:6047956
A microcellular carbon foam is characterized by a density in the range of about 30 to 1,000 mg/cm[sup 3], substantially uniform distribution of cell sizes of diameters less than 100 [mu]m with a majority of the cells being of a diameter of less than about 10 [mu]m. The foam has a well interconnected strut morphology providing open porosity, and an expanded d(002) X-ray turbostatic spacing greater than 3.50 angstroms. The precursor for the carbon foam is prepared by the phase inversion of polyacrylonitrile in a solution consisting essentially of at least one alkali metal halide and a phase inversion solvent for the polyacrylonitrile.
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
- Patent Number(s):
- US 5208003; A
- Application Number:
- PPN: US 7-960600
- OSTI ID:
- 6047956
- Resource Relation:
- Patent File Date: 13 Oct 1992
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CARBON
DENSITY
FOAMS
HALIDES
METALS
MICROSTRUCTURE
MORPHOLOGY
NITRILES
ORGANIC POLYMERS
PRECURSOR
COLLOIDS
DISPERSIONS
ELEMENTS
HALOGEN COMPOUNDS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYMERS
360606* - Other Materials- Physical Properties- (1992-)
360602 - Other Materials- Structure & Phase Studies
CARBON
DENSITY
FOAMS
HALIDES
METALS
MICROSTRUCTURE
MORPHOLOGY
NITRILES
ORGANIC POLYMERS
PRECURSOR
COLLOIDS
DISPERSIONS
ELEMENTS
HALOGEN COMPOUNDS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYMERS
360606* - Other Materials- Physical Properties- (1992-)
360602 - Other Materials- Structure & Phase Studies